Common Crawl maintains a free,open repository of web crawl data that can be used by anyone.
Common Crawl is a 501(c)(3) non–profit founded in 2007. We make wholesale extraction, transformation and analysis of open web data accessible to researchers.
We probed the top 1,000,000 web hosts for IPv6 from five vantage points on three continents. 31.7% work from everywhere, one vantage point turns out to be enough for the headline rate, and 5,530 hosts reveal why it isn't enough for the rest of the story.
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